<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item,index)  in levelList" :key="item.path">
        <span v-if='item.redirect==="noredirect"||index==levelList.length-1' class="no-redirect">{{((item.parent && item.parent.meta && item.parent.meta.title) ? (item.parent.meta.title + ' > ') : "") + item.meta.title}}</span>
        <router-link v-else :to="item.redirect||item.path">{{((item.parent && item.parent.meta && item.parent.meta.title) ? (item.parent.meta.title + ' > ') : "") + item.meta.title}}</router-link>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
export default {
  created() {
    this.getBreadcrumb();
  },
  data() {
    return {
      levelList: null
    };
  },
  watch: {
    $route() {
      this.getBreadcrumb();
    }
  },
  methods: {
    getBreadcrumb() {
      const matched = this.$route.matched.filter(item => item.name);
      // const first = matched[0]
      // if (first && first.name !== 'dashboard') {
      //   matched = [{ path: '/dashboard', meta: { title: 'dashboard' }}].concat(matched)
      // }
      this.levelList = matched;
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 39px;
  margin-left: 6px;
  .no-redirect {
    color: #ffffff;
    cursor: text;
  }
}
</style>
